The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2017
Filed:
Jul. 30, 2013
Applicant:
Raytheon Company, Waltham, MA (US);
Inventor:
Andrew R. Rollinger, Topanga, CA (US);
Assignee:
Raytheon Company, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01V 1/00 (2006.01); G01V 1/20 (2006.01); G01H 9/00 (2006.01);
U.S. Cl.
CPC ...
G01H 9/004 (2013.01); G01V 1/001 (2013.01); G01V 1/20 (2013.01); G01V 2210/1429 (2013.01);
Abstract
An apparatus to detect vibration is provided. The apparatus comprises an optical transmitter and an optical receiver. The optical transmitter is configured to send an optical signal that is modified by a vibration sensor. The optical receiver configured to receive the optical signal from the vibration sensor, the optical signal comprising fluctuations responsive to vibration of the vibration sensor. The optical signal includes a radio frequency (RF) signal. The vibration sensor is comprised by an optical assembly configured to detect underground vibrations.